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  1. Some oscillatory properties for a class of partial difference equations

  2. In this paper we study the oscillatory property of solutions for a class of partial difference equation with constant coefficients. In order to study the oscillation results, we find the regions of nonexistence of positive roots of its characteristic

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：543744
    • 提供者：weixin_38529436

  1. Robot fish detection based on a combination method of three-frame-difference and background subtraction

  2. Robot fish detection based on a combination method of three-frame-difference and background subtraction

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：757760
    • 提供者：weixin_38739950

  1. Research on anti-radiation weapon confronting active decoys based on Doppler frequencies difference

  2. Research on anti-radiation weapon confronting active decoys based on Doppler frequencies difference

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：1048576
    • 提供者：weixin_38731385

  1. Fractal compressed sensing imaging with sparse difference based on fractal and entropy recognition

  2. Fractal compressed sensing imaging with sparse difference based on fractal and entropy recognition

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：691200
    • 提供者：weixin_38691669

  1. Dither modulation of significant amplitude difference for wavelet based robust watermarking

  2. Dither modulation of significant amplitude difference for wavelet based robust watermarking

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：4194304
    • 提供者：weixin_38739164

  1. The Technology of Fast Spectral Reconstruction in the Longer Optical Path Difference PEM-FTS

  2. The optical path difference of the photoelastic modulator Fourier transform spectrometers(PEM-FTS) changes rapidly and nonlinearly, while the instrument preserves the speed as high as about 10(5) interferograms per second, so that the interferograms

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：524288
    • 提供者：weixin_38725625

  1. Visual word coding based on difference maximization

  2. Visual word coding based on difference maximization

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：2097152
    • 提供者：weixin_38517212

  1. Self-similarity based structural regularity for just noticeable difference estimation

  2. Self-similarity based structural regularity for just noticeable difference estimation

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：262144
    • 提供者：weixin_38709312

  1. Design of a Photonic Crystal Waveguide for Terahertz-Wave Difference-Frequency Generation

  2. Design of a Photonic Crystal Waveguide for Terahertz-Wave Difference-Frequency Generation

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：829440
    • 提供者：weixin_38694800

  1. Analysis of difference frequency generation and cascaded second-harmonic generation and difference frequency generation

  2. Analysis of difference frequency generation and cascaded second-harmonic generation and difference frequency generation in lossy quasi-phase-matched semiconductor waveguides

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：451584
    • 提供者：weixin_38736011

  1. Highly efficient difference-frequency generation for mid-infrared pulses by passively synchronous seeding

  2. We have proposed and experimentally demonstrated a novel scheme for efficient mid-infrared difference-frequency generation based on passively synchronized fiber lasers. The adoption of coincident seeding pulses in the nonlinear conversion process cou

  3. 所属分类：其它

    • 发布日期：2021-02-13
    • 文件大小：1048576
    • 提供者：weixin_38584642

  1. Camera-based model to predict the total difference between effect coatings under directional illumination

  2. A camera-based model is established to predict the total difference for samples of metallic panels with effect coatings under directional illumination, and the testing results indicate that the model can precisely predict the total difference between

  3. 所属分类：其它

    • 发布日期：2021-02-13
    • 文件大小：483328
    • 提供者：weixin_38690275

  1. Exploiting the categorical reliability difference for binary classification

  2. Exploiting the categorical reliability difference for binary classification

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：919552
    • 提供者：weixin_38704870

  1. A quasi-vector finite difference mode solver for optical waveguides with step-index profiles

  2. A finite difference scheme based on the polynomial interpolation is constructed to solve the quasi-vector equations for optical waveguides with step-index profiles. The discontinuities of the normal components of the electric field across abrupt diel

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：313344
    • 提供者：weixin_38646230

  1. High sensitivity fiber Bragg grating pressure difference sensor

  2. Based on the effect of fiber Bragg grating (FBG) pressure difference sensitivity enhancement by encapsulating the FBG with uniform strength beam and metal bellows, a FBG pressure difference sensor is proposed, and its mechanism is also discussed. The

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：215040
    • 提供者：weixin_38538021

  1. Color and neighbor edge directional difference feature for image retrieval

  2. A novel image feature termed neighbor edge directional difference unit histogram is proposed, in which the neighbor edge directional difference unit is defined and computed for every pixel in the image, and is used to generate the neighbor edge direc

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：187392
    • 提供者：weixin_38664556

  1. Face Feature Representation Based on Difference Local Directional Pattern

  2. Face Feature Representation Based on Difference Local Directional Pattern

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：1048576
    • 提供者：weixin_38738783

  1. A lab-in-a-droplet bioassay strategy for centrifugal microfluidics with density difference pumping, power to disc and bi

  2. A lab-in-a-droplet bioassay strategy for centrifugal microfluidics with density difference pumping, power to disc and bidirectional flow control

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：959488
    • 提供者：weixin_38745859

  1. Design of the sample cell in near-field surface-enhanced Raman scattering by finite difference time domain method

  2. The rational design of the sample cell may improve the sensitivity of surface-enhanced Raman scattering (SERS) detection in a high degree. Finite difference time domain (FDTD) simulations of the configuration of Ag film-Ag particles illuminated by pl

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：228352
    • 提供者：weixin_38691453

  1. A new method based on finite-difference time-domain scheme for computing the band structure of 2D photonic crystals

  2. A finite-difference time-domain (FDTD) scheme in Cartesian coordinate system is developed to analyze the guided-wave properties of a class of two-dimensional (2D) photonic crystals formed by square or triangular arrays of metal posts. With the applic

  3. 所属分类：其它

    • 发布日期：2021-02-10
    • 文件大小：401408
    • 提供者：weixin_38624332
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